Cash Distribution And Earnings Per Unit (Tables)

12 Months Ended

Dec. 31, 2012


		Marginal Percentage Interest in Distributions
	Total Quarterly Distribution Target Amount	Common and Subordinated (1) Unitholders (2)			General Partner
Minimum Quarterly Distribution	$0.35		98	%		2
First Target Distribution	up to $0.4025		98	%		2
Second Target Distribution	above $0.4025 up to $0.4375		85	%		15
Third Target Distribution	above $0.4375 up to $0.525		75	%		25
Thereafter	above $0.525		50	%		50

(1) As of January 1, 2012, all subordinated units, excluding subordinated Series A units, were converted into common units.
(2) As of June 29, 2012, all subordinated Series A units were converted into common units.


	Year Ended December 31, 2012			Year Ended December 31, 2011			Year Ended December 31, 2010
Net income	$	95,898		$	65,335		$	60,511
Earnings attributable to:
Common unit holders		93,566			60,506			50,823
Subordinated unit holders		—			3,522			8,465
General partner unit holders		2,332			1,307			1,223
Subordinated Series A unit holders		—			—			—
Weighted average units outstanding (basic and diluted)
Common unit holders		58,008,617			45,409,807			33,714,905
Subordinated unit holders		—			7,621,843			7,621,843
General partner unit holders		1,193,889			1,102,689			864,017
Subordinated Series A unit holders		—			1,000,000			1,000,000
Earnings per unit (basic and diluted):
Common unit holders	$	1.61		$	1.33		$	1.51
Subordinated unit holders	$	—		$	0.46		$	1.11
General partner unit holders	$	1.95		$	1.19		$	1.42
Earnings per unit — distributed (basic and diluted):
Common unit holders	$	1.79		$	1.76		$	1.76
Subordinated unit holders	$	—		$	1.75		$	1.69
General partner unit holders	$	3.13		$	2.90		$	2.35
Loss per unit — undistributed (basic and diluted):
Common unit holders	$	(0.18	)	$	(0.43	)	$	(0.25	)
Subordinated unit holders	$	—		$	(1.29	)	$	(0.58	)
General partner unit holders	$	(1.18	)	$	(1.71	)	$	(0.93	)